Home / 2,066,137.60-3,099,206.40-1,109,543.80

Finding the Fourth Proportional to 2,066,137.60, 3,099,206.40 and 1,109,543.80

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Solution

The fourth proportional to 2,066,137.60, 3,099,206.40 and 1,109,543.80 is: 1,664,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066,137.60 : 3,099,206.40 = 1,109,543.80 : x
  2. Step 2: Convert to fraction form
    2,066,137.60/3,099,206.40 = 1,109,543.80/x
  3. Step 3: Cross multiply
    2,066,137.60x = 3,099,206.40 × 1,109,543.80
  4. Step 4: Simplify right side
    2,066,137.60x = 3,438,705,246,040.32
  5. Step 5: Solve for x
    x = 3,438,705,246,040.32/2,066,137.60
  6. Step 6: Final answer
    x = 1,664,315.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.